FWS  x _     C?    in index length keyIndex keyLength key encodedAnswer  encodedMessage tempNum substring parseInt tempKey charAt tempNumInt charCodeAt tempKeyInt c solution  decode  encodedMessage key   &         <         < <  N< <  N<  H #      H   P           	 	       G      
R    =3<                G      
R R<            	 R<             R<  b3  G     G                    
R    =	    G        
R< > decode2  encodedMessage key          <         < <  N< <  N<  H #      H   P           	 	       G      
R    =3<                G      
R R<            	 R<             R<  b3  G     G                    
R    =	    G        
R< > @ @   
